{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949262,-0.314487,0.000000,0.000000,0.175870,-0.530854,0.829014,0.000000,-0.260164,0.785292,0.561810,0.000000,-1661117.787223,5014000.396423,3563082.604016,1],    "boundingVolume": {    "region": [1.890661,0.596562,1.890763,0.596584,0.000000,12.158454]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8_1417963.b3dm"}}}